The Arse district is divided into ten communities: Sipogu, Lancat, Natambang Roncitan, Nanggar Jati, Nanggar Jati Huta Padang, Aek Haminjon, Pardomuan, Dalihan Natolu, and the capital town Arse Nauli. As of the 2020 census, the population of Arse was 8,677.[1] The population is mostly Muslim, with a small number of Protestant Christians.[2]